309374061 has 8 divisors (see below), whose sum is σ = 412969440. Its totient is φ = 206014032.

The previous prime is 309374053. The next prime is 309374063. The reversal of 309374061 is 160473903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 309374061 - 2³ = 309374053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309374063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55746 + ... + 61043.

It is an arithmetic number, because the mean of its divisors is an integer number (51621180).

Almost surely, 2^309374061 is an apocalyptic number.

It is an amenable number.

309374061 is a deficient number, since it is larger than the sum of its proper divisors (103595379).

309374061 is a wasteful number, since it uses less digits than its factorization.

309374061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117675.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 309374061 is about 17589.0324065879. The cubic root of 309374061 is about 676.3341229886.

The spelling of 309374061 in words is "three hundred nine million, three hundred seventy-four thousand, sixty-one".